I would appreciate _________if you could let me know in advance whether or not
题型：不详难度：来源：
| I would appreciate _________if you could let me know in advance whether or not you will be coming. |
答案
| A |
解析
| it指代if从句所表述的内容。句意为：如果你提前让我知道你是否会来，我会非常感激的。 |
举一反三
| Tom’s mother always told him not to smoke again, but _____ didn’t help. |
Both teams were in hard training; _____ was willing to lose the game.| A．either | B．neither | | C．another | D．the other |
|
There he pointed to _____ looked like a stone and said that’s ______ you had to carry home.| A．that, that | B．what, what | | C．which, what | D．as, which |
|
| I know nothing about the accident except _____ I read in the paper. |
Energy is ____ makes one work.| A．what | B．something | | C．anything | D．that |
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